net.bytebuddy.instrumentation.method.bytecode.stack

Enum StackSize

java.lang.Object

java.lang.Enum<StackSize>

net.bytebuddy.instrumentation.method.bytecode.stack.StackSize

All Implemented Interfaces:

Serializable, Comparable<StackSize>

public enum StackSize
extends Enum<StackSize>

Represents the size of a Java type on the operand stack.

Enum Constant Summary

Enum Constants

Enum Constant and Description
DOUBLE A double slot stack size which is required by long and double values.
SINGLE A single slot stack size.
ZERO An empty stack size.

Method Summary

Modifier and Type	Method and Description
int	getSize() The numeric value of this stack size representation.
StackSize	maximum(StackSize stackSize) Determines the maximum of two stack size representations.
static StackSize	of(Class<?> type) Finds the operand stack size of a given Java type.
static int	sizeOf(Iterable<? extends Class<?>> types) Returns the sum of all operand stack sizes.
StackManipulation.Size	toDecreasingSize() Creates an instance of a StackManipulation.Size that describes a stack decrease of this size.
StackManipulation.Size	toIncreasingSize() Creates an instance of a StackManipulation.Size that describes a stack growth of this size.
static StackSize	valueOf(String name) Returns the enum constant of this type with the specified name.
static StackSize[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

ZERO

public static final StackSize ZERO

An empty stack size.

SINGLE

public static final StackSize SINGLE

A single slot stack size.

DOUBLE

public static final StackSize DOUBLE

A double slot stack size which is required by long and double values.

Method Detail

values

public static StackSize[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (StackSize c : StackSize.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static StackSize valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null

of

public static StackSize of(Class<?> type)

Finds the operand stack size of a given Java type.

Parameters:

type - The type of interest.

Returns:

The given type's operand stack size.

sizeOf

public static int sizeOf(Iterable<? extends Class<?>> types)

Returns the sum of all operand stack sizes.

Parameters:

types - The types of interest.

Returns:

The sum of their sizes.

getSize

public int getSize()

The numeric value of this stack size representation.

Returns:

An integer representing the operand stack size.

toIncreasingSize

public StackManipulation.Size toIncreasingSize()

Creates an instance of a StackManipulation.Size that describes a stack growth of this size.

Returns:

A stack size growth by the size represented by this stack size.

toDecreasingSize

public StackManipulation.Size toDecreasingSize()

Creates an instance of a StackManipulation.Size that describes a stack decrease of this size.

Returns:

A stack size decrease by the size represented by this stack size.

maximum

public StackSize maximum(StackSize stackSize)

Determines the maximum of two stack size representations.

Parameters:

stackSize - The other stack size representation.

Returns:

The maximum of this and the other stack size.